A Kafka topic is setup with a replication factor of 5. Out of these, 2 nodes in the cluster have failed. Business users are concerned that they may lose messages. What do you tell them?
- A: They need to stop sending messages till you bring up the 2 servers
- B: They need to stop sending messages till you bring up at least one server
- C: They can continue to send messages as there is fault tolerance of 4 server failures.
- D: They can continue to send messages as you are keeping a tape back up of all the messages
Answer: C Explanation: Fault tolerance is n - 1, so they don't have to worry about losing messages